METEOROLOGICAL VARIABLES

Meteorology is the science that deals with the atmosphere and its phenomena. Major area's of research concern the weather, weather forecasting and atmospheric composition.

When discussing technology of instruments, sensors and observing systems, as much as possible we follow the categories of WMO, World Meteorological Organisation, laid down in the Manual on Instruments and Methods of Observation.

Atmospheric composition has been separated into atmospheric gasses and aerosols. The gasses include ozone, which is no longer treated as a separate category. The "state of the ground" has been separated from past and present weather. Radiation includes sunshine duration.